CN102583187A - Spring strip type conveying method - Google Patents
Spring strip type conveying method Download PDFInfo
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- CN102583187A CN102583187A CN2012100282935A CN201210028293A CN102583187A CN 102583187 A CN102583187 A CN 102583187A CN 2012100282935 A CN2012100282935 A CN 2012100282935A CN 201210028293 A CN201210028293 A CN 201210028293A CN 102583187 A CN102583187 A CN 102583187A
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- spring bar
- gear
- outer sleeve
- sleeve
- drive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/26—Screws
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/02—Screw or rotary spiral conveyors for articles
- B65G33/06—Screw or rotary spiral conveyors for articles conveyed and guided by parallel screws
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a spring strip type conveying method, which is a structure method of a running mechanism for realizing forward and rearward movement in form of rotation. Based on a principle that a screw thread does rotary motion when a bolt is inserted into and pulled out from a nut, a spring strip is used instead of the screw thread, a rolling body is arranged between the spring strip and a bolt column body, the spring strip does rotary circulating motion along a mandrel or an inner sleeve to drive a conveyed object to rotationally move forwards and rearwards; a drive device is mainly composed of a rack, an outer sleeve, the mandrel (or the inner sleeve), the spring strip, a circulating ball, a point drive mechanism, a spring strip circulating drive mechanism and a spring strip rotary speed-adjusting mechanism; the spring strip is helically wound on the mandrel (or the inner sleeve); the mandrel is arranged in the outer sleeve; the outer sleeve is arranged on the rack; a point drive body is arranged on the inner wall of the outer sleeve to drive the spring strip; and the spring strip rotary speed-adjusting mechanism is used for adjusting the running speed of the spring strip.
Description
The present invention relates to a kind of aufbauprinciple of mechanical mechanism, is the aufbauprinciple of the conveyer of carrier with rotation on-cycle spring bar especially.
Background technology:
At present, how common linear transport establishment is seen off or fetches with static cantilever by consignment, and be the basis with the mechanical stretch pattern; Incompatible have the transport requirement under speed change, rotation and other complex conditions in the way of advancing.
Summary of the invention:
The spring bar formula that the present invention relates to is transported method, is a conveyer that transports machinery (or equipment), belongs to actuating unit; The employing rod member of encorbelmenting is combined into rotation on-cycle spring bar and transports carrier, feeds pattern delivery article with rotation.
The groundwork key model
This mechanism (Fig. 1) establishes driven wheel (active rotation) outside on the sleeve, on the spring bar, establish driven tooth bar, the wheel and rack engagement is driven the rotative speed of the relative outer sleeve of control spring bar; Through the rotating speed of adjustment driving gear, the rotative speed of spring bar is changed, and then the axial operation and the rotative speed of the relative frame of adjustment spring bar, produce the regulatable conveyer of operational process.
Key model mainly is made up of frame, outer sleeve, mandrel (being the screw rod core), spring bar, actuating unit, regulating mechanism, moving sleeve (referring to the hanging sleeve tube 12-5 of Figure 12), circulating ball etc.Outer sleeve is installed on the frame, and inwall is established the plug helix that coincide with the spring bar, and the spring bar is installed in the urceolus, walks along plug helix, and mandrel inserts in the conveyor screw of spring bar formation, and moving sleeve is socketed in encorbelments on the spring bar outside the frame; The driving gear of actuating unit is installed on the frame, and driven gear is installed on the outer sleeve, and the rotation of driving gear engagement driven gear drives the outer sleeve rotation; Outer sleeve rotation driving spring bar moves axially and rotates, and then drives mobile plug-in sleeve generation motion, and action is transported in formation; Governor gear is located at the outer sleeve inwall, with the tooth bar engagement on the spring bar, the master of governor gear; Circulating ball is located on the outer sleeve spiral fluted cell wall, reduces the friction between spring bar and the outer sleeve.Under the control of governor gear, outer sleeve provides running power through plug helix to the spring bar.
Spring bar driving method: static with mandrel (inner sleeve) is prerequisite, and the driving of spring bar mainly is divided into face drive pattern, two types of basic driver patterns of some drive pattern; With this two combination, the box-like drive pattern of formation group again (mixing).
The face drive pattern: under factor effects such as friction force, the spring bar has the shape of keeping and attitude unmodified characteristic.The face drive pattern utilizes this characteristics, and sleeve (or on mandrel) is established the relative spring bar rotation of plug helix outside; The spring bar is located in the plug helix, and cell wall produces axial force to conveyor screw during the rotating screw groove, and the spring bar is axially moved.The face drive pattern is that plug helix applies propulsive effort in the last integral body of cylinder outline (the spring bar in the driver train scope) that the spring bar forms, and makes the spring bar produce rotation and jacking campaign.
The face driver train mainly is made up of outer sleeve and drive gear set (rack-mounted power gear engagement is installed in the driven gear on the outer sleeve), utilizes spiral fluted rotation (screw thread that is equivalent to nut) the jacking spring bar on the outer sleeve.
The plug helix of sleeve lining outside, cell wall forms the single-piece contact to spring bar conveyor screw and drives when rotated, produces twisting resistance and axial thrust.On the plug helix cell wall, set up the circulating rolling body, the slide relative friction of spring bar and cell wall is become friction of rolling, but actv. reduces running resistance between the two.
On mandrel, establish plug helix, the spring bar is walked in this plug helix, establish driver train outside on the sleeve and stir the rotation of spring bar, the spring bar promptly obtains the driven axle of mandrel to counter-force, and also formation face drives, and possesses delivery functions.
According to above-mentioned driving principle, the spring bar active rotation if plug helix is static, the face drive pattern is still set up.
To be driver train apply propulsive effort (Fig. 2) to the part (drive point) of spring bar conveyor screw outer surface (cylinder) to the some drive pattern, on this drive point, forms peripheral force and axial force, promotes rotation of spring bar and jacking campaign.
The tooth point of engagement drive (Figure 16) and substitute reamer with the some driven wheel; Attachment point driven wheel on sleeve is established driven tooth bar on the spring bar, both engaged transmission, and some driving gear active rotation forms the driving to the spring bar; The gear teeth of some driven wheel are set as spiral fashion, and lift angle is identical with the spring bar.Crush rib is established on some driven wheel gear teeth next door; On the spring bar, establish simultaneously cooresponding occlusal crib; drive on the gear teeth and the spring bar the tooth bar ingear simultaneously, crush rib also with the occlusal crib interlock, both sidewalls form the shearing of rolling; Crush rib produces axial thrust to the spring bar, makes the spring bar produce the rotation type axial operation.
Friction roller point drives, and is with roll surface the spring bar to be implemented friction-driven, and is same, on friction roller, establishes crush rib (Fig. 5), also can implement axially to drive to the spring bar.
The combined drive pattern: the face drive pattern is two basic models with putting drive pattern, and the two is combined, and has promptly formed combined drive (Figure 14) pattern; The box-like drive pattern of this driving unit utilizes some drive member speed governing characteristics accurately flexibly, and row replacement adds rotational force to spring, utilizes the stable characteristics of the face driving axial application of force, is primarily aimed at the spring bar and applies axial force.
Combination drives because of the spiral fluted member is set different, mainly contains two kinds of forms, and the one, plug helix is located on the outer sleeve, another is that plug helix is located on the mandrel.
When plug helix was located on the outer sleeve, the axis hole of plug helix and point drive intersected, and formed the mouth that crosses, and plug helix is divided into plurality of sections (circumferential segment), and each section provides axial component jointly; Gear drives with the engagement of spring bar at the mouth that crosses, and makes the relative outer sleeve rotation of conveyor screw.When if plug helix is located on the mandrel, the some drive member is to drive the rotation of spring bar at the conveyor screw outside face, and the plug helix of inside face provides axial propelling thrust.
Under the situation of mandrel rotation, the tachometer value of the relative frame of mandrel and outer sleeve are poor with the relative frame tachometer value of some drive member, promptly are the rotating speeds of outer sleeve and the relative mandrel of some drive member, and above-mentioned three kinds of drive patterns are still set up.
Spring bar round-robin method:
On the key model basis, mandrel is bent to annular, make it end to end, form closed ring, the spring bar spirals along the whole circle of mandrel closed ring, and is end to end, also forms closed ring, promptly forms and originally transports the annular circulation pattern of method.
Substitute mandrel (Figure 15) if mandrel is set as a cylindrical section (being called inner sleeve), promptly formed interior circulation pattern around inner sleeve barrel (between inside and outside wall),
Inner sleeve one end is located in the outer sleeve, and the other end is encorbelmented outside outer sleeve, carries consignment at the end of encorbelmenting, and has promptly formed the conveyer of the interior circulation pattern (Figure 10, Figure 11) of the method for originally transporting.In circulation transport the inside and outside conveyor screw of pattern inner sleeve and all can carry consignment, have the characteristic that two-way (rotation feeds) simultaneously transports.
For circulation pattern in the spring bar, if establishing the core retainer plate tube is stationary magazine creel, point drive is installed on the core retainer plate drum outer wall, aforesaid drive scheme is also set up (Fig. 6).
The typical mechanism scheme:
Based on above-mentioned groundwork, key model, spring bar driving method, spring bar round-robin method etc., can be combined into the required conveyer of various actual conditions.It below is the explaination that several kinds of typical conveyers are carried out.
One, driving, mandrel plug helix, annular circulation conveyer scheme:
This some driving, mandrel plug helix, annular recycle scheme; Be called for short point and drive the core recycle scheme, be meant that the some driving method is adopted in the driving of the spring bar of conveyer, the circulation of spring bar is annular closed cycle; On mandrel, establish the raceway of ball screw groove as circulating ball; Establish circulating ball between spring bar and mandrel and reduce the operation friction, rotation drives spring bar generation face, shown in Fig. 1 .1.
This mechanism mainly is made up of frame, outer sleeve, mandrel, point drive, regulating mechanism, circulating ball etc.Establish the ball circulating groove (plug helix) that equates with spring bar conveyor screw rotation lift angle on the mandrel, the spring bar spirals and is socketed in the rotation, establishes circulating ball between spring bar and the mandrel, forms (core mechanism) mechanism; Outer sleeve is installed on the frame, and sleeve outer wall is established the speed governing driven gear, the inwall driver train of setting up an office; Point drive mainly is made up of synchronizer gear, power gear, end tooth wheel reamer and reamer axle; Be installed on the frame synchronizer gear and outer sleeve tube axle, synchronizer gear inscribe end of engagement gear; An end is established reamer on the reamer axle, the other end drive member (reamer, friction roller, gear etc.) of setting up an office; Power transmission order by power gear, synchronizer gear, end tooth wheel, reamer axle, cutting blade drives step by step, makes reamer rotation (driving the spring bar); The speed governing driving gear is located on the frame and meshes power transmission with the speed governing driven gear; Make the outer sleeve rotation, drive the rotation of reamer axle and end tooth thereof wheel, form the active rotation that end tooth is taken turns relative synchronizer gear; And then the rotation of the relative spring bar of adjusting reamer; Simultaneously, the rotation of outer sleeve also drives the rotation of spring bar, and the rotative speed of spring bar is both superposition of rotation of reversing and circulate; Core mechanism is pierced into synchronizer gear and outer sleeve, and it is crooked to starch mandrel and spring bar thereof then, and butt and butt forms closed ring, promptly forms complete core cycling mechanism.
Because of the circulating ball circulation of between spring bar and mandrel, rolling, if mandrel is replaced to radially incompressible conveyor screw that equates with spring bar lead angle (Fig. 3 .2), and on this conveyor screw, establish ball grooves confession ball-recirculation, this mechanism still sets up.
This core recycle scheme if drive with reamer (or some driven wheel with ribbing, friction roller with ribbing), rolls (short cylinder rolling body) alternative circulating ball (Fig. 3 .1) with axle simultaneously, and mechanism scheme is also set up.
Two, combination driving, annular circulation conveyer scheme:
This combination drives annular recycle scheme (hybrid plan), mainly is made up of frame, outer sleeve, mandrel, point drive, speed governing driver train, circulating ball etc.Establish the plug helix that coincide with the spring bar on the hole wall of outer sleeve tube hole, the spring bar is walked wherein, forms rotation, and simultaneously, cell wall produces axial force to the spring bar, and the spring bar is fed vertically; The plug helix cell wall is established ball rolling circulation groove, and ball is circulating rolling in groove, reduces spring bar and spiral fluted friction (Fig. 4, Fig. 5); The axle of point drive (or gear, reamer etc.) hole is located on the outer sleeve barrel, and axis hole is parallel with outer sleeve, and intersects with plug helix, forms the opening that crosses; Reamer is installed in the axis hole and meshes with the spring bar, forms rotary relatively shearing, and the spring bar is produced the power that rotates in a circumferential direction, and makes the rotation of spring bar; Mandrel is located in the spring bar conveyor screw (centre hole of formation) a support spring bar, establishes axle between mandrel and spring bar and rolls (parallel shafts rolls or the diagonal axle rolls) and reduce the operation friction.
It is the rolling body parallel with mandrel that parallel shafts rolls, the diagonal axle roll be with mandrel be angle the axle roll; The diagonal axle rolls tool transverse elasticity curved characteristic, and it is vertical with the spring bar, along the oblique rolling of mandrel, makes the friction between spring bar and the mandrel become friction of rolling.
The operation of this programme is that point drive and regulating mechanism are moved simultaneously, so the operation of spring bar adopts the rotation difference of two driver trains to carry out speed governing.
Three, interior circulation conveyer scheme:
The key model (Figure 10) of pattern is transported in interior circulation, is made up of outer sleeve (the double frame of doing), inner sleeve, spring bar, circulating ball, point drive, and inner sleeve is installed on the outer sleeve, and an end is encorbelmented and stretched out outer sleeve, and the spring bar spirals on the inner sleeve inside and outside wall;
Transport in above-mentioned interior circulation on the key model of pattern and set up regulating mechanism (Figure 11), make the relative frame rotation of inner sleeve, the rotating speed of the relative frame of adjustable side gear, and then regulate the running velocity of the relative frame of spring bar.
Middle sleeve one end of this regulating mechanism is installed in the outer sleeve, is set as relative outer sleeve rotation, and the other end is encorbelmented outside middle sleeve, forms the rotatable member that axially transports; Form the change of the relative spring bar of some drive member rotative speed, and then ordered about the change that the spring bar produces the outer sleeve running velocity.
If the middle sleeve of above-mentioned key model does not rotate, then need adopt the method for rotary sleeve tube to carry out speed governing, form the speed governing conveyer (Figure 12) of novel mode of speed control; This mechanism mainly is made up of frame, outer sleeve, inner sleeve, spring bar, some drive member (reamer, governor gear, friction roller), revolving power mechanism, circulating ball, hanging sleeve tube, core retainer plate tube etc.
Establish circulating ball between spring bar and the inner sleeve, the inner sleeve termination is established the spring bar and is turned to structure and flexible compensation structure; Outer sleeve is installed on the frame, frame rotation relatively; The speed governing driving gear is installed on the frame, establishes speed governing driven gear two gears on the outer sleeve and is meshed, and drives the outer sleeve rotation, regulates the rotative speed of synchronizer gear opposite end gear; The actuator of point drive is located on the outer sleeve inwall with axle, outer sleeve rotation relatively, and the axle drive shaft of point drive exposes the outer sleeve end face, axle head installation end gear, end tooth wheel and the circumscribed engagement of synchronizer gear; Power gear and synchronizer gear are installed on the frame, and two gears are meshed, and power gear drives synchronizer gear, and synchronizer gear is coaxial with outer sleeve, frame rotation relatively; The rotation of synchronizer gear drive end gear, end tooth wheel drive some axle drive shaft and the rotation of some driving body; Interior circulation core (inner sleeve) end is located in the outer sleeve, and two coaxial, and spring bar and some driving body are adjacent to; One end of interior circulation core is located at outside the outer sleeve, forms the end of encorbelmenting; Point driving body rotation drives the rotation of spring bar, and circulating ball produces oblique bearing force to the spring bar, makes the operation of spiraling of spring bar, and the conversion of changing structure through the transition of inner core termination gets into the inside spin body, and formation is along the circulation of inner core inside and outside wall.
The end of encorbelmenting of circulation core in plug-in sleeve is located at, the tube inwall is established the ball grooves that matches with the spring bar, circulating ball between rolling circulation (the circuit cycle hole is located on the plug-in sleeve); It is the equalizing gear of fulcrum that plug-in sleeve is established with frame (or outer sleeve), controls the rotation of the relative frame of plug-in sleeve (or outer sleeve); Spring bar rotation drives plug-in sleeve operation, and consignment carries outside on the hanging sleeve tube, and linearly operation or rotation feed.
With aforementioned plug-in sleeve scheme, on the inside spin body, establish core tube (core retainer plate tube), make the operation vertically under the spring bar drives of core tube, promptly forming with the core tube is the conveyer of carrier, plug-in relatively sleeve forms oppositely and transports.
Plug-in sleeve and core tube are located on the inside spin body and external spiral body of same closed cycle spring bar, then form the two-way mechanism that transports simultaneously.
Two this conveyer sockets are stacked together; Establish outer cup on the spring bar of external closed cycle; Establish the core tube in the inside spin body of the spring bar of built-in closed cycle; The spring bar that makes the inside and outside closed cycle that is nested with together again can make plug-in sleeve and core tube transport in the same way simultaneously respectively with forward and contrarotation.
Roughly the same the core recycle scheme if substitute (or substituting the end of encorbelmenting) inner sleeve with the core conveyor screw, makes spring bar internal and external screw body along the operation of core conveyor screw, and scheme is still set up.
Four, circulation conveyer scheme in the core rotation drives:
To transport be to establish the scheme of transporting that core is a revolving part in circulation in core drove, and is to utilize the inner sleeve rotation to make that the spring bar is passive to pass, and forms the scheme of transition cycles.
This scheme is the extension that a driving and face drive; Also be the extension that scheme is transported in interior circulation, mainly drive driver train, outside rotary drive mechanism, spring bar, hanging sleeve tube, core retainer plate tube, circulating ball etc. and form (Fig. 9) by frame, outer sleeve, inner sleeve, core rotary drive mechanism, point; Circulation core in inner sleeve, spring bar, ball are formed is located in the outer sleeve; Hanging sleeve tube, core retainer plate tube are located at respectively outside this in-core, as the carrier that transports of peripheral hardware; Point drives driver train and is installed on the swivel mount; Mainly form by transmission gear, change speed gear box, variable gear, synchronizer gear, end tooth wheel, axle drive shaft, driving gear (wheel); Transmission gear obtains power from core rotation driving gear, after change speed gear box conversion speed change, drives the synchronizer gear rotation by variable gear output, synchronizer gear drive end gear driven axle drive shaft and driving gear running; The outside tractive spring of driving gear bar forms the circulation transition.
If the cancellation point drive is established plug helix outside and supplied the spring bar to walk on the sleeve, the rotation inner sleeve passes the transition of spring bar, and this programme is also set up.
If the drive member of cancellation point drive is established plug helix outside and is supplied the spring bar to walk on the sleeve, establish the relative inner sleeve contrarotation of outer sleeve (Fig. 8) simultaneously, active drive spring bar is along the operation of middle sleeve outer wall, and then this programme is set up.
If the cancellation point drives driver train, simultaneously the core retainer plate tube is fixedly mounted on the swivel mount, the rotation inner sleeve passes the transition of spring bar, and this programme is also set up.
Be located at bar operation of driving spring and transition on the inside spin body if will put the driving driver train, this programme is also set up.
Description of drawings:
Fig. 1: be the scheme drawing that this spring bar formula linearity is transported the key model of method; Represent that this key model mainly is made up of frame, outer sleeve, spring bar, mandrel, drive gear set, timing gear wheels etc.; The annular circulation is adopted in the circulation of this mechanism's spring bar, and what drive employing is that face drives.
5 represent the spring bar, wherein 5.1 represent tooth bar, and 5.2 represent spring bar rib; The height of spring bar rib 5.2 exceeds or equals the height of tooth bar 5.1 tooth tops, and spring bar rib 5.2 is crowded relatively with the crush rib 10.2 of governor gear 10, ensures that the engagement of two members is rationally effective; In addition, if substitute this governor gear with friction roller, then friction roller also can be to the rotation speed governing of spring bar.
10 represent governor gear, wherein 10.1 represent timing gear, and 10.2 represent crush rib, and 10.3 represent dynamical axis; Governor gear is located on the outer sleeve barrel, active rotation.
Originally transport the key model of method; Be on the basis of above-mentioned principle; Set up spring bar driver train again, make the relative outer sleeve active rotation of spring bar, and the rotative speed of the relative outer sleeve of control spring bar; Form regulating and controlling mechanism the axial operation and the rotative speed of spring bar are regulated and control, form regulatable conveyer.
Fig. 1 .1: the distortion that is Fig. 1 mechanism improves, and the mode that adopts point to drive drives the spring bar, drives the spring bar with rotatablely moving of reamer and does rotation and the axially motion of jacking; Through the rotary sleeve tube, regulate the reamer rotating speed, adjust spring bar rotating speed simultaneously.This figure is the scheme drawing of each member position of explanation and logical relation.
Each reamer axle 7.1 of reamer battle array is chosen outer sleeve 2, end installation end gear 12; End tooth wheel 12 is tangent with synchronizer gear 11 engagements, under the driving of synchronizer gear 11 synchronously, with fast driving spring bar 5; Synchronizer gear 11 is installed on the frame with power gear 13, and power gear 13 engagements also drive synchronizer gear 11.
Governor gear driving wheel 10.1 is installed on the frame, and governor gear flower wheel 10.2 is installed on the outer sleeve 2, governor gear driving wheel 10.1 active rotation, and engagement drives with fast flower wheel 10.2 rotations, and then drives outer sleeve 2 rotations; Form speed discrepancy between outer sleeve 2 and the synchronizer gear 11, and then adjusted the rotative speed of reamer 7 relative spring bars 5, the rotative speed of spring bar 5 and axial move speed are adjusted; Simultaneously, the rotation of outer sleeve 2 forms spring bar 5 and reverses, and makes the rotative speed of spring bar form both stacks.
13.2 representative dynamical axis; 10.3 represent the timing gear wheel shaft.
Fig. 2: be the scheme drawing of a driving, the reamer member (drive member) that left figure expression point drives is in the operation of the spirochetal internal drive spring of spring bar bar, and the reamer that right figure expression point drives moves at the spirochetal external drive spring of spring bar bar.
2-1 represents the spring bar; 2-1.1 represent the helical cast core; 2-2 represents the miniature gears on the reamer axle; 2-3 represents the reamer axle; 2-4 represents cutting blade; 2-5 represents synchronizer gear; 2-6 represents basic power gear; The axle of a 2-7 representative support spring bar rolls; The axle of 2-8 representative extruding (or speech supports) helical cast core rolls.
Point drive mainly is made up of outer sleeve, some drive member (reamer, gear, friction roller), some drive system; The point drive member is located between outer sleeve and the spring bar and is adjacent to the spring bar; The dynamical axis of some drive member is chosen outside the outer sleeve end face; This is chosen end installation end gear and obtains running power and drive the rotation of some drive member at dynamical axis, the driving and generating rotation of spring bar receptor site drive member with axially feed.
The shearing driving of reamer is a drive pattern, with the shearing rotation between reamer and the spring bar side, on contact point, forms rotate in a circumferential direction power and axial thrust, with the rotation of multiple spot driven in common spring bar, forms the some drive pattern; It only is the representative form of a driving that the reamer formula drives, and also has two kinds of tooth engagement, friction-driven in addition.
Fig. 3 .1: establish axle between expression mandrel and the spring bar and roll the signal that reduces spin friction.
Speed governing driving gear 10.1, driven gear 10.2 are installed on the frame, the engagement power transmission; Mandrel 3 passes at sleeve 2 centers with spring bar 5 outside, and rolling body 6 (axle rolls) is located between the two, reduces spin friction; It is tangent with spring bar 5 that some drive member 7 is installed in the outer sleeve inwall, drives the rotation of spring bar, and the generation axial motion;
If rolling body 6 rolls for axle, and does not establish on the outer sleeve under the spiral fluted situation, then put drive member 7 and must be the gear of reamer or band crush rib; And establishing on the mandrel 3 under the situation of ball screw groove, do not establish plug helix on the outer sleeve.
6.1 the form of expression rolling body 6 is rolled for axle; 7.1 expression drive member 7 is cutting blade and axle disjunctor.
Fig. 3 .2: expression substitutes the signal of solid mandrel with the spiral fashion mandrel; The spiral mandrel has the cross bending ability.
3.2-1 representative helix core; 6 represent ball.
Fig. 4: expression spring bar is located at the situation of outer sleeve barrel, and expression spring bar is walked in the plug helix on the sleeve wall outside; Plug helix and spring bar cross section coincide, and are square grooves; The circulating ball raceway is established in plug helix bottom land and two side, and circulating ball moves wherein.
4-1 represents the tooth bar on the spring bar; 4-2 represents the crush rib on the spring bar; 4-3 represents on the bottom surface, spring bar cross section and establishes ball road, and the ball road on this raceway and the mandrel is corresponding, forms ball rolling circulation groove.
Fig. 5: expression point drive member drives the scheme drawing of spring bar.The figure shows the spring bar and drive with friction roller, establish spiral fashion on the friction roller and drive rib (similar cutting blade), its lift angle is established groove with the spring bar on the spring bar, drives rib and groove interlock rolling and shears, and the spring bar is formed axial pushing force, drives rotation of spring bar and axial operation.
The 5-2 representative is located at the bar that blocks on the spring bar, and the spring bar spiraled the formation conveyor screw along rotation after, this covered two gaps between the spiral coil, played dustproof effect etc.
5-1 represents tooth bar; 5-3 represents the circulating ball groove on the spring bar sidewall; 5-4 represents friction roller; 5-5 represents the crush rib on the friction roller, shape in the shape of a spiral, lift angle and spring bar with.
Fig. 6: be partial cross section's signal that circulation drives in the spring bar, be illustrated in inside spin body inwall and establish actuating device that mechanism also can normally move.
5.1 represent the inside spin body of spring bar; 5.2 represent the external spiral body of spring bar; 5.2-1 represent the circulating ball groove on the spring bar sidewall; 6-1 represents inner driving device, and shown in this figure is a some drive member; The 6-2 representative substitutes inner sleeve with conveyor screw (being called for short the tube spiral), the inside spin body that the corresponding spring bar of tube spiral of internal layer forms, the external spiral body that the corresponding spring bar of outer field tube spiral forms; Establish ball circulating groove on the tube conveyor screw, corresponding with spring bar conveyor screw.
Fig. 7: expression spring bar is established to fall each other in the operational process that spirals and is pressed structure, is constraint each other between two spirochetal spiral coils, confirms the scheme drawing of the structure that two circle spacings are stable.
7-1 spring bar lower span; 7-2 spring bar principal section; 7-3 spring bar upper span; In service, the upper span of the back ring spring bar that is wrapped with behind the lower span quilt of preceding ring spring bar is pushed down, and confirms the spacing between two circles; In addition, can establish kayser such as concavo-convex groove structure in the span; Simultaneously, the square right angle of spring bar principal section can be changed into the obtuse angle, and convenient back circle falls pressure.
Fig. 8: be in the core rotation drives, on the circulation conveyer scheme basis, to adjust the new conveyer that the member layout forms.Be illustrated in the drive member of cancellation point drive, establish plug helix outside on the sleeve and supply the spring bar to walk, establish the relative inner sleeve contrarotation of outer sleeve simultaneously, active drive spring bar also can form a rational conveyer along the operation of middle sleeve outer wall.
8-1 represents change-speed box; 8-2 represents change speed gear box; 8-3 represents the speed governing driven gear, and it and rack-mounted speed governing driving gear 8-8 mesh; 8-4 represents core rotation driving gear; 8-5 represents core rotation driven gear; 8-6 represents plug helix; On behalf of the spring bar, 8-7 carried out the transition to the ferry of crossing of external spiral body by the inside spin body; On behalf of the speed governing driving gear, 8-9 (solid line is represented, connects the power of change speed gear box conduction on this gear) can be set separately, forms independent regulation and control; 8-10 represents the core retainer plate tube.
Fig. 9: be the generalized section that scheme was transported in circulation in core rotation drove, represent that this scheme utilizes the middle sleeve active rotation to cooperate other members or structure to drive the spring bar again.
This scheme mainly drives driver train, outside rotary drive mechanism, spring bar 5, hanging sleeve tube (not shown), core retainer plate tube 9-13, circulating ball 6 etc. by frame 1, outer sleeve 9-1 (being the distortion of the outer sleeve 2 on key model Fig. 1), inner sleeve 4, core rotary drive mechanism, point and forms; Circulation core in inner sleeve 4, spring bar 5, ball 6 are formed is located among the outer sleeve 9-1; Hanging sleeve tube, core retainer plate tube 9-13 are located at this circulation in-core outer end respectively, as the carrier that transports of peripheral hardware; The drive member of setting up an office on the outer sleeve 9-1 7 drives spring bar 5, and some drive member 7 is located between outer sleeve 9-1 and the interior circulation core; Outer sleeve 9-1 is installed on the frame 1, establishes speed governing driven gear 9-11 and rack-mounted speed governing driving gear 9-12 engagement on it, and driving gear 9-12 drives relative frame 1 rotation of outer sleeve 9-1; The core rotary drive mechanism is located at outer sleeve 9-1 one end, and this end is deformed into rotary frame (abbreviation swivel mount); The core rotating mechanism mainly is made up of core rotation driving gear 9-4, core rotation driven gear 9-5 etc., and core rotation driving gear 9-4 and driven gear 9-5 are installed on the swivel mount (being 9-1), and both mesh and drive inner sleeve 4 rotations; Point drives driver train and is installed on the swivel mount; Mainly form by transmission gear 9-3, change speed gear box 9-2, variable gear 9-10, synchronizer gear 9-8, end tooth wheel 9-7, axle drive shaft and driving gear (wheel) 7; Transmission gear obtains power from core rotation driving gear, after change speed gear box 9-2 conversion speed change, drives synchronizer gear 9-8 rotation by variable gear 9-10 output, and synchronizer gear 9-8 drive end gear 9-7 drives axle drive shaft and driving gear running; The outside tractive spring of driving gear bar 5 forms the circulation transition.
This figure is last 16,9-6,9-9 all represent bearing.The drive member of setting up an office on the outer sleeve drives the spring bar, and the some drive member is located between outer sleeve and the interior circulation core; Outer sleeve is installed on the frame, establishes the engagement of speed governing driven gear and rack-mounted speed governing driving gear on it, and driving gear drives the relative frame rotation of outer sleeve; The core rotary drive mechanism is located at outer sleeve one end, and this end is deformed into rotary frame (abbreviation swivel mount); The core rotating mechanism mainly is made up of core rotation driving gear, core rotation driven gear etc., and core rotation driving gear and driven gear are installed on the swivel mount, and both mesh and drive the inner sleeve rotation.
Figure 10: be the basic system model that pattern is transported in interior circulation.This model mainly is made up of outer sleeve (the double frame of doing) 1, inner sleeve 4, spring bar 5, circulating ball, point drive 12; Inner sleeve 4 is installed on the outer sleeve 1, and an end is encorbelmented and stretched out outer sleeve, and spring bar 5 spirals on inner sleeve 4 inwalls, outer wall; Point drive 12 is installed on the outer sleeve 1, and some drive member 12 (reamer etc.) active rotation on spring bar 5 forms and drives, and makes inside and outside conveyor screw transition cycles, produces rotation and axially operation.Point drive mainly is made up of power gear 13, synchronizer gear 11, end tooth wheel 12, some axle drive shaft, some driven wheel; Power gear 13 is installed in engaged transmission on the outer sleeve 1 with synchronizer gear 11; End tooth wheel 12 is installed in the encorbelment end and the synchronizer gear 11 inscribe engaged transmission of an axle drive shaft, and end tooth wheel 12 drives the some axle drive shaft that is installed on the outer sleeve 1 and drives the rotation of spring bar with some driving gear active rotation.
17 represented the ferry; 10-1 represents bearing.
Point drive is installed on the outer sleeve, and some drive member (reamer etc.) active rotation on the spring bar forms and drives, and makes internal and external screw body transition cycles, produces rotation and axially operation.Point drive mainly is made up of power gear, synchronizer gear, end tooth wheel, some axle drive shaft, some driven wheel; Power gear and synchronizer gear are installed in engaged transmission on the outer sleeve; The end tooth wheel is installed in the encorbelment end and the synchronizer gear inscribe engaged transmission of an axle drive shaft, and the end tooth wheel drives the some axle drive shaft and the rotation of some driving gear that is installed on the outer sleeve.
Figure 11: be to transport on the basic system model based of pattern, increase the middle sleeve rotary drive mechanism, rotate through middle sleeve and carry out spring bar running velocity to adjustment in interior circulation.
Regulating mechanism is made up of speed governing power gear and speed governing driven gear, and power gear is installed on the outer sleeve, and the speed governing driven gear is installed on the middle sleeve, and both engaged transmission drive the middle sleeve rotation; The active rotation of middle sleeve has changed the rotating speed that end tooth is taken turns relative synchronizer gear.
Figure 12: be the representational mechanism that pattern is transported in interior circulation, this figure is a section-drawing vertically.The cycle mode of representing this mechanism's spring bar becomes interior circulation by the annular circulation of key model, mainly is made up of outer sleeve, inner sleeve, spring bar, power-driven mechanism, regulating mechanism, circulating ball etc.; A point drive scheme is adopted in the driving of this mechanism, cooperates on the inner core and establishes circulating ball raceway (groove), and spring bar inner sleeve (passive) when rotated provides axial pushing force and rotates in a circumferential direction power, makes the spring bar along the operation of spiraling of inner sleeve inside and outside wall, constantly circulates.
Mainly form by frame 1, outer sleeve 2, inner sleeve 4, spring bar 5, some drive member (reamer, governor gear, friction roller) 7, revolving power mechanism, circulating ball 6, hanging sleeve tube 12-5, core retainer plate tube 12-6 etc.
Inner sleeve 4 (being equivalent to mandrel) is installed on the frame 1, and the spring bar forms two conveyor screws on inner sleeve inner/outer tube face, and two conveyor screws are the mutual transition in inner sleeve 4 two ends again, and the termination is established the spring bar and turned to structure and flexible compensation structure (omission); Speed governing driving gear 10.1 (figure slightly) is installed on the frame 1, establishes 10.2 liang of gears of speed governing driven gear on the outer sleeve 2 and is meshed; The actuator 7 of point drive is located on outer sleeve 2 inwalls with axle, and axle drive shaft exposes outer sleeve 2 end faces, axle head installation end gear 12 and synchronizer gear 11 (synchronizer gear of this figure, be inside and outside the two-sided tubular gear of establishing tooth) engagement; Power gear 13 is installed on the frame with synchronizer gear 11, and synchronizer gear 11 is coaxial with outer sleeve 2, frame rotation relatively; Inner sleeve 4, one ends of interior circulation core are located in the outer sleeve 2, and two coaxial, and the other end is located at outside the outer sleeve 2, form the end of encorbelmenting.
The end of encorbelmenting of circulation core in plug-in sleeve 12-5 is located at, a tube inwall establish that (inner sleeve (being equivalent to mandrel) is installed on the frame, the first winding of on inner sleeve urceolus face, spiraling of spring bar with the spring bar; Change inner sleeve hole in the transition of inner sleeve end, form the inside spin body that oppositely spirals, the spring bar is threaded to the other end in inner core face inverted plate then; Afterwards after crossing the outer sleeve face that changes over to; The spring bar is end to end, form closed cycle, spring bar and inner sleeve form interior circulation core; ) 5 ball grooves that match, the circulation (circuit cycle hole 12-1 is located on the plug-in sleeve 12-5 barrel) of rolling of circulating ball 6 betweens; It is the equalizing gear (12-2,12-3,12-4) of fulcrum that plug-in sleeve 12-5 establishes with frame 1 (or outer sleeve), controls the not frame rotation relatively of plug-in sleeve.
12-3 is a telescopic shaft, and 12-2 is an expansion link; If establishing 12-4 is rotating power source, and establishes gear (establishing fixed gear wheel on the cooresponding frame of rod end) in expansion link 12-2 end and rotate, then can make hanging sleeve tube 12-5 produce controlled rotary feeding with the fixed gear wheel engagement on the frame.
Core retainer plate tube 12-6 is located in the inside spin body of spring bar 5, and plug-in relatively sleeve 12-5 forms oppositely and transports.
Figure 13: explain the scheme drawing of screw rod (being core bar) and screw thread (being the spring bar) relation, on behalf of cylinder, 13-1 cut out tooth 13-2 wash-out core afterwards.Spring bar of the present invention is that silk tooth 13-2 is dissociated at the base cylinder place, forms mandrel 13-1.
For reducing the friction between spring bar 13-2 and the mandrel 13-1, can between mandrel 13-1 and spring bar 13-2, set up rolling body (circulating ball), rolling body forms the closed cycle system on mandrel.
This spring bar formula is transported method, is screwed into and the principle of relative motion when withdrawing from nut based on screw rod; During the nut rotation screw rod is ejected, both produce relative displacement; Nut is installed on the frame, and screw rod promptly is the carrier that axially transports.
On this basis, again the silk tooth on the screw rod is separated (Figure 13) with screw rod base cylinder core (being called for short the screw rod core), this tooth has promptly formed spring bar of the present invention (matter elastic helix body just); During swivel nut, the spring bar is along screw rod core rotation jacking and the screw rod core does not move, and the consignment that carries on it is moved by the carrying of spring bar, promptly forms and originally transports mechanism's operation logic of method.
Figure 14: be the cross sectional drawing that a kind of mechanism of pattern is transported in the annular circulation, adopt the running of combined drive mode activated spring bar.This cross section be along the spring bar spiral the operation plug helix dissect.
Expression combined drive mechanism mainly is made up of outer sleeve, spring bar, mandrel, governor gear, circulating ball, power gear etc.; Outer sleeve applies diametral load and axial force through plug helix to the spring bar; The governor gear active rotation; Control (or driving) the spirochetal rotative speed of spring bar, mandrel support helix shape is constant, and circulating ball alleviates the friction force between spring bar and the outer sleeve plug helix through circulating rolling.
The spring bar of this figure drives, and adopts engagement type some driving of tooth and face to drive the combination of two kinds of patterns; If substitute governor gear 10 with friction roller or reamer, the point that then forms shearing or friction-type drives.
14-1 represents the ball-recirculation hole, and the practical implementation method is with the ball-recirculation method of existing ball-screw; 14-2 represents ball circulating groove, is located at the ball-recirculation road on the plug helix cell wall, and circulation road and plug helix intersect the formation opening; Circulation groove and spring bar form the closed channel of ball operation; 14-3 represents the spirochetal outer surface of spring bar, is the face of cylinder; Outer sleeve conducts kinetic energy through ball to this face; 14-4 represents the governor gear hole, and it is located at the outer sleeve inwall, and it is parallel with outer sleeve, and the sleeve axle center is the center rectangular distribution in addition; Gear hole and outer sleeve inwall intersect, and form opening, and governor gear is through this opening and the tooth bar engagement that is located on the spring bar; 14-5 represents the ball-recirculation hole; Put each self-forming independent loops passage of each section plug helix that drive shaft hole separates; Ball pierces circulation port (section drawing is away from me) after ball grooves is rolled to the end, return through the circulation port passage; Pass circulation port (to me) at ball grooves top, form a cyclic process.
Figure 15: expression spring bar carries out the transition to the outer ring by inner ring, forms around the closed cycle between the inner sleeve inner and outer wall.
15-1 represents the inside spin body; 15-2 represents the external spiral body; The 15-3 representative is by the transition phase of the outside conveyor screw transition cycles of inside spin body.
When the spring bar moves to the inner sleeve front end face, dwindle the conveyor screw radius, oppositely pierce into then in the inner sleeve tube hole; Return spiraling backward, pass at the inner sleeve aft end face afterwards, recover original radius of rotation; Recover simultaneously original direction and is connected the formation closed ring of spiraling again with former spirochetal afterbody.
Figure 16: be to substitute the scheme drawing that reamer drives the spring bar with gear, the tooth bar on the expression gear teeth and the spring bar meshes and drives, and realizes the accurate control to spring bar rotating speed with the pinion rotating speed, and then reaches accurate control spring bar rotation and axial rate of feeding.
16-1 represents the ball grooves of establishing on the spring bar outside; 16-2 represents the ball grooves of establishing on the spring bar inner face; 16-3 represents gear wheel shaft, and he is installed on the outer sleeve; 16-4 represents gear, he and tooth bar engagement; Gear rotates the operation of driving gear bar, and tooth bar produces the spring bar outside the drive point and promotes and tractive, makes the whole rotation of spring bar.
The specific embodiment:
Present embodiment is an example with key model (Fig. 1).
1, makes mandrel, select a cylinder to do mandrel;
2, make mandrel ball screw groove, draft spring bar section width, ball diameter, conveyor screw rotation lift angle etc.,, make ball partly be embedded in the plug helix by this parameter processing plug helix;
3, make the spring bar, select an elasticity band steel processing spring bar conveyor screw.Earlier the spring strip material is processed ball circulating groove, at relative one side processing (or installation) tooth bar of ball grooves, press axle diameter processing conveyor screw at last again, conveyor screw internal diameter and outside diameter of mandrel are coincide, and spring bar plug helix is corresponding with the mandrel plug helix;
4, press the modulus design point driven wheel of tooth bar, and process gear wheel shaft, make axle head can expose outer sleeve end (installation end gear) by gear set specifications; Gear quantity on every axle takes the circumstances into consideration to confirm, should not be very little.
5, make outer sleeve.
A. according to spring bar external diameter, the some driven wheel diameter drafted, select outer sleeve blank material;
B. confirm the outer sleeve internal diameter by the axle diameter size, leave certain interval between the two, process outer sleeve tube hole then;
C. determine the spiral fluted external diameter by the conveyor screw external diameter, conveyor screw just is embedded in the plug helix, the processing plug helix;
D. press plug helix external diameter, some driven wheel diameter, confirm axis hole quantity (going up the gear quantity of installing for every makes by oneself) and confirm some driven wheel axis hole position, the sleeve axle center is the axle center rectangular distribution beyond the position, hole; Process axis hole then; Axis hole and plug helix form the mouth that crosses.
E. according to a position, driven wheel axle center and axis hole radius, confirm the outer sleeve external diameter, then processing.
6, manufacturing terminal gear.Confirm the end tooth wheel by the spacing between a drive shaft hole and the spring bar conveyor screw external diameter, make its radius size less than this gap; Processing end tooth wheel.
7, confirm synchronizer gear internal diameter (employing internal tooth) according to the size in end tooth wheel radius size, some driving distance of shaft centers outer sleeve axle center, confirm external diameter according to internal diameter; Subsidiary installing sleeve (synchronizer gear being installed on the frame) size of selected then end tooth wheel with this sleeve; Process synchronizer gear at last.
8, according to synchronizer gear modulus, internal diameter, confirm the specification (this driven wheel is provided with, and avoids a driven wheel) of the propulsive effort of synchronizer gear, and gear wheel shaft.
9, according to the outer sleeve external diameter, confirm the specification of speed governing driven gear, confirm speed governing driving gear specification and gear wheel shaft, processing and fabricating then simultaneously.
10, make spring bar attaching parts, mandrel attaching parts, the processing ball be set pour into hole, pivot holder or the like auxiliary part or structure.
11, assembling just:
A. earlier the spring bar is assembled on the mandrel, in the ball hole that both form, adds ball simultaneously and adjust suitablely, form the helix core blank;
B. helix core is installed in the plug helix and (is screwed into);
C. there is the member of nested relationship to be sleeved on the helix core with the mandrel closed ring synchronizer gear, hanging sleeve tube, speed governing driven gear etc., subsequent use;
D. crooked mandrel curves annulus (diameter is the bigger the better, and diameter is big, and curvature is just little, is beneficial to the rotation of spring bar) with mandrel, connects the two ends of mandrel, forms closed ring; The spring bar also bends to ring thereupon, connects spring bar termination, forms closed ring; Then, pour into the hole at ball again and mend into ball, mix well, sealing pours into mouth then, forms the closed cycle ball;
E. mounting core bracing strut, (promptly between two fellow villagers' the ball screw groove) mounting core bracing strut (being fixed on the frame) between two fellow villagers' of spring bar spiral coil forms the upright toroidal helical core of frame;
F. attachment point driven wheel and gear wheel shaft make the tooth bar engagement on gear and the conveyor screw; The axle head installation end gear that exposes the some axle drive shaft of outer sleeve end face;
G. outer sleeve is installed on the frame; The speed governing driven gear is installed on the outer sleeve, speed governing driving gear (together with propulsion source) is installed on the frame, both engagements;
H. the installing sleeve with synchronizer gear docks with outer sleeve, and synchronizer gear is installed on the outer sleeve;
L. the driven wheel with synchronizer gear is installed on the frame, and itself and synchronizer gear are meshed;
M. adjust hanging sleeve tube position, and on the hanging sleeve tube, establish bogey (delivery article)
12, power connection, test-run a machine; Adjustment again, operation then.
Claims (6)
1. a spring bar formula is transported method, based on the bolt jacking with the principle of screw thread rotation motion when withdrawing from nut, is a kind of with rotation on-cycle spring bar and the mandrel building method as the conveyer of carrier; It is characterized in that: the spring bar spirals on mandrel, and mandrel is installed in the outer sleeve, the driver train of setting up an office between outer sleeve and the spring bar, and the outer sleeve inwall is established plug helix, and the outer sleeve outer wall is installed the speed governing driven gear; Speed governing driving gear and the engagement of speed governing driven gear are installed on the frame, and the spring bar is walked in the sleeve plug helix outside, the some driving body of point drive contact with the spring bar also active rotation with dynamic action on the spring bar, the spring bar is rotated; Establish rolling body between spring bar and the plug helix; The axle drive shaft and the outer sleeve of point drive laterally arrange, and an end is installed in the outer sleeve, and the other end encorbelments outside the outer sleeve, choose end installation end gear; End tooth wheel and synchronizer gear engagement obtain kinetic energy drive point driving body and rotate; Synchronizer gear is installed on the frame coaxial with outer sleeve; Synchronizer gear obtains kinetic energy with the engagement of driving power gear and rotates; Synchronizer gear and end tooth wheel engaged transmission drive the running of some driving body, and the some driving body drives the running of spring bar, and the running of spring bar forms around mandrel closed cycle; Governor gear drives the outer sleeve rotation, the engagement rotating speed between adjustable side gear and the synchronizer gear, and then regulate the speed of spring bar along mandrel circular flow.
2. spring bar formula as claimed in claim 1 is transported method, it is characterized in that: substitute mandrel with inner sleeve, make the spring bar between the inner sleeve inside and outside wall, form circulation; Inner sleeve one end is installed in the outer sleeve, and the other end encorbelments outer sleeve outward as transporting carrier.
3. transport method like claim 1,2 described spring bar formulas, it is characterized in that: adopt the type of drive that point drives, face drives, combination drives to make the running of spring bar.
4. transport method like claim 1,2 described spring bar formulas, it is characterized in that: the driving body that point drives is reamer, driven wheel, friction roller; Establish crush rib on driven wheel, the friction roller.
5. transport method like claim 1,2 described spring bar formulas, it is characterized in that: establish on the spring bar driven tooth bar or with driven wheel, friction roller on the cooresponding occlusal crib of crush rib.
6. transport method like claim 1,2 described spring bar formulas, it is characterized in that: inner sleeve can substitute with conveyor screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100282935A CN102583187A (en) | 2011-01-12 | 2012-01-12 | Spring strip type conveying method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110021499 | 2011-01-12 | ||
| CN201110021499.0 | 2011-11-12 | ||
| CN2012100282935A CN102583187A (en) | 2011-01-12 | 2012-01-12 | Spring strip type conveying method |
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| CN102583187A true CN102583187A (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100282935A Pending CN102583187A (en) | 2011-01-12 | 2012-01-12 | Spring strip type conveying method |
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| CN (1) | CN102583187A (en) |
| WO (1) | WO2013067748A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013120397A1 (en) * | 2012-02-13 | 2013-08-22 | 孙元斌 | Rotary conveying method and mechanism thereof |
| CN108420489A (en) * | 2018-01-11 | 2018-08-21 | 温州医科大学附属第医院 | A kind of penis vessel Basilar artery device |
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| JP3025371B2 (en) * | 1992-03-11 | 2000-03-27 | 三菱電線工業株式会社 | Flexible screw |
| JP3886200B2 (en) * | 1997-03-13 | 2007-02-28 | 大成建設株式会社 | Multi-axis screw conveyor |
| JP2002037436A (en) * | 2000-07-26 | 2002-02-06 | Amano Corp | Screw transport apparatus for powder and grain |
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| US5765668A (en) * | 1993-10-15 | 1998-06-16 | Skf Specialty Products Ab | Fall protection device for actuators |
| CN2727308Y (en) * | 2004-05-12 | 2005-09-21 | 三一重工股份有限公司 | Fully automatic stepless lifting device |
| CN101045515A (en) * | 2007-04-10 | 2007-10-03 | 陈定方 | Vertical lifting and locking device |
| CN201224629Y (en) * | 2008-04-30 | 2009-04-22 | 南京俊东机电设备有限公司 | Lead screw transmission lifting mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2013120397A1 (en) * | 2012-02-13 | 2013-08-22 | 孙元斌 | Rotary conveying method and mechanism thereof |
| CN108420489A (en) * | 2018-01-11 | 2018-08-21 | 温州医科大学附属第医院 | A kind of penis vessel Basilar artery device |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2013067748A1 (en) | 2013-05-16 |
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Application publication date: 20120718 |